Patents by Inventor Elvin K. Manning

Elvin K. Manning has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optoelectronic scanning device
    Patent number: 4158778
    Abstract: An optoelectronic scanning device comprising two sets of photoresponsive elements adjusted to operate at different detection levels and aligned to scan materials marked with luminous paint and illuminated with ultraviolet light. The photo-elements are specially aligned to be optically responsive over an array of contiguous in-line domains and are coupled to trigger circuits to provide snap-action operation. The photo-elements and associated electrical components are heated and maintained at a constant temperature to ensure stable operation of the device.
    Type: Grant
    Filed: March 1, 1978
    Date of Patent: June 19, 1979
    Assignee: Armstrong Cork Company
    Inventors: George E. Gard, Elvin K. Manning, Werner Rueggeberg, Kerry L. Weinhold